Magnetic and Fermi Surface Properties of the Ferromagnetic Compound UGa<FONT SIZE="-1"><SUB>2</SUB></FONT>
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- Honma Tetsuo
- Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319–1195
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- Inada Yoshihiko
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043
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- Settai Rikio
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043
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- Araki Shingo
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043
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- Tokiwa Yoshihumi
- Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043
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- Takeuchi Tetsuya
- Low Temperature Center, Osaka University, Toyonaka, Osaka 560–0043
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- Sugawara Hitoshi
- Department of Physics, Tokyo Metropolitan University, Minami–Ohsawa 1–1, Hachioji, Tokyo 192–0397
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- Sato Hideyuki
- Department of Physics, Tokyo Metropolitan University, Minami–Ohsawa 1–1, Hachioji, Tokyo 192–0397
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- Kuwahara Keitaro
- Department of Physics, Tokyo Metropolitan University, Minami–Ohsawa 1–1, Hachioji, Tokyo 192–0397
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- Yokoyama Makoto
- Graduate School of Science, Hokkaido University, Sapporo 060–0810
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- Amitsuka Hiroshi
- Graduate School of Science, Hokkaido University, Sapporo 060–0810
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- Sakakibara Toshiro
- Graduate School of Science, Hokkaido University, Sapporo 060–0810
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- Yamamoto Etsuji
- Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319–1195
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- Haga Yoshinori
- Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319–1195
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- Nakamura Akio
- Department of Materials Science, Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319–1195
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- Harima Hisatomo
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567–0047
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- Yamagami Hiroshi
- Graduate School of Science, Tohoku University, Sendai 980–8578
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- Onuki Yoshichika
- Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319–1195 Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043
Bibliographic Information
- Other Title
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- Magnetic and Fermi Surface Properties of the Ferromagnetic Compound UGa2
- Magnetic and Fermi Surface Properties of the Ferromagnetic Compound UGa<sub><b>2</b></sub>
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Abstract
We have studied the magnetic and Fermi surface properties in a ferromagnet UGa2. The electrical resistivity, elastic constant, thermal expansion coefficient, thermoelectric power, magnetic susceptibility and Hall coefficient indicate highly anisotropic properties, reflecting the hexagonal structure. The 5f2- and 5f3-CEF schemes, based on the localized 5f-electron nature, are discussed to understand the magnetic susceptibility and magnetization data. We have also done the magnetoresistance and de Haas-van Alphen (dHvA) experiments to investigate the Fermi surface properties. Both data are very complicated, implying that the Fermi surface is a multiply-connected one. They are explained neither by the localized 5f2- and 5f3-core models nor by the spin-polarized 5f-itinerant model. The cyclotron mass is, however, rather light, ranging from 0.17 to 6.2m0, which is consistent with the electronic specific heat coefficient of 11 mJ/K2·mol.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 69 (8), 2647-2659, 2000
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390282679157381760
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- NII Article ID
- 210000102451
- 110001971272
- 130004537641
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- NII Book ID
- AA00704814
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- BIBCODE
- 2000JPSJ...69.2647H
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 5505798
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed